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Liver ultrasound may spot hidden heart trouble after surgery

NCT ID NCT06777355

Knowledge-focused Sponsor: CMC Ambroise Paré Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study tested whether a liver ultrasound could detect right-sided heart failure after cardiac surgery. Researchers measured blood flow in the portal vein using Doppler ultrasound in 32 high-risk patients within 24 hours of surgery. The goal was to see if this simple, non-invasive test could replace or supplement the current gold standard (a catheter in the heart) for diagnosing right ventricular dysfunction.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could lead to a non-invasive way to predict heart complications after surgery, potentially improving patient monitoring.
What could go wrong
This is a small, single-center study with only 32 participants. The findings are exploratory and need confirmation in larger trials before changing practice.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

32 people

The number who actually took part.

Started

Feb 2025

Finished

Jul 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients undergoing cardiac surgery with cardiopulmonary bypass, presenting a risk factor for complicated postoperative management due to hemodynamic instability: * Patients over 60 years old * Preoperative left ventricular ejection fraction (LVEF) \< 50% * Surgery involving coronary artery bypass grafting and valve surgery * Mitral valve surgery * Preoperative creatinine clearance less than 30 ml/min

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patient aged at least 18 years * Patients undergoing cardiac surgery with cardiopulmonary bypass and presenting at least one risk factor for postoperative complications, including: * Patient over 60 years old * Preoperative left ventricular ejection fraction (LVEF) \< 50% * Surgery involving both coronary artery bypass grafting and valve procedures * Mitral valve surgery * Preoperative creatinine clearance less than 30 ml/min * Patient having signed the informed consent form in accordance with regulations * Patient covered by social security or an equivalent healthcare system Exclusion Criteria: * Patient presenting a confounding factor for altered portal flow: * Tricuspid regurgitation greater than grade 2 * Known cirrhosis * Patient with intrahepatic arteriovenous malformations * Patient at risk for pulmonary artery catheter insertion: * Tricuspid valve surgery * Pacemaker or implantable cardioverter-defibrillator in place * Patient with an esophageal tract abnormalities contraindicating transesophageal echocardiography (TEE) * Pregnant or breastfeeding women * Patient unable to understand the information provided * Patient under guardianship, curatorship, or legal protection * Patients deprived of liberty

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Conditions

The condition(s) this trial relates to.

heart failure Postoperative Complications Ventricular Dysfunction, Right

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Heart failure Postoperative complications

Contacts and locations

Locations

  • CMC Ambroise Paré Hartmann

    Neuilly-sur-Seine, Île-de-France Region, 92200, France

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